FR1162518A - Objectif - Google Patents

Objectif

Info

Publication number
FR1162518A
FR1162518A FR1162518DA FR1162518A FR 1162518 A FR1162518 A FR 1162518A FR 1162518D A FR1162518D A FR 1162518DA FR 1162518 A FR1162518 A FR 1162518A
Authority
FR
France
Prior art keywords
goal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EMEL ETS
Original Assignee
EMEL ETS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by EMEL ETS filed Critical EMEL ETS
Application granted granted Critical
Publication of FR1162518A publication Critical patent/FR1162518A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
    • G03B7/081—Analogue circuits
    • G03B7/085—Analogue circuits for control of aperture

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR1162518D 1954-12-21 1954-12-21 Objectif Expired FR1162518A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1162518T 1954-12-21

Publications (1)

Publication Number Publication Date
FR1162518A true FR1162518A (fr) 1958-09-15

Family

ID=9653050

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1162518D Expired FR1162518A (fr) 1954-12-21 1954-12-21 Objectif

Country Status (1)

Country Link
FR (1) FR1162518A (fr)

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